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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(LIBWEBRTC)
#include <WebCore/LibWebRTCProvider.h>
#include <WebCore/LibWebRTCSocketIdentifier.h>
#include <wtf/CheckedRef.h>
#include <wtf/Forward.h>
#include <wtf/Identified.h>
#include <wtf/StdMap.h>
#include <wtf/TZoneMalloc.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_BEGIN
#include <webrtc/rtc_base/async_packet_socket.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_END
namespace IPC {
class Connection;
class Decoder;
}
namespace WebKit {
class LibWebRTCSocketFactory;
class LibWebRTCSocket final : public rtc::AsyncPacketSocket, public CanMakeCheckedPtr<LibWebRTCSocket>, public Identified<WebCore::LibWebRTCSocketIdentifier> {
WTF_MAKE_TZONE_ALLOCATED(LibWebRTCSocket);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(LibWebRTCSocket);
public:
enum class Type { UDP, ClientTCP, ServerConnectionTCP };
LibWebRTCSocket(LibWebRTCSocketFactory&, WebCore::ScriptExecutionContextIdentifier, Type, const rtc::SocketAddress& localAddress, const rtc::SocketAddress& remoteAddress);
~LibWebRTCSocket();
WebCore::ScriptExecutionContextIdentifier contextIdentifier() const { return m_contextIdentifier; }
const rtc::SocketAddress& localAddress() const { return m_localAddress; }
const rtc::SocketAddress& remoteAddress() const { return m_remoteAddress; }
void setError(int error) { m_error = error; }
void setState(State state) { m_state = state; }
void suspend();
void resume();
private:
bool willSend(size_t);
friend class LibWebRTCNetwork;
void signalReadPacket(std::span<const uint8_t>, rtc::SocketAddress&&, int64_t, rtc::EcnMarking);
void signalSentPacket(int64_t, int64_t);
void signalAddressReady(const rtc::SocketAddress&);
void signalConnect();
void signalClose(int);
void signalUsedInterface(String&&);
// AsyncPacketSocket API
int GetError() const final { return m_error; }
void SetError(int error) final { setError(error); }
rtc::SocketAddress GetLocalAddress() const final;
rtc::SocketAddress GetRemoteAddress() const final;
int Send(const void *pv, size_t cb, const rtc::PacketOptions& options) final { return SendTo(pv, cb, m_remoteAddress, options); }
int SendTo(const void *, size_t, const rtc::SocketAddress&, const rtc::PacketOptions&) final;
int Close() final;
State GetState() const final { return m_state; }
int GetOption(rtc::Socket::Option, int*) final;
int SetOption(rtc::Socket::Option, int) final;
CheckedRef<LibWebRTCSocketFactory> m_factory;
Type m_type;
rtc::SocketAddress m_localAddress;
rtc::SocketAddress m_remoteAddress;
int m_error { 0 };
State m_state { STATE_BINDING };
StdMap<rtc::Socket::Option, int> m_options;
bool m_isSuspended { false };
WebCore::ScriptExecutionContextIdentifier m_contextIdentifier;
};
} // namespace WebKit
#endif // USE(LIBWEBRTC)
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